Added NWN Dark Sun module contents

Added NWN Dark Sun module contents.

nwnds_module/dmfi_onclienter.nss

@@ -0,0 +1,23 @@
+//::///////////////////////////////////////////////
+//:: DMFI - OnClientEnter event handler
+//:: dmfi_onclienter
+//:://////////////////////////////////////////////
+/*
+  Event handler for the module-level OnClientEnter event. Initializes DMFI system.
+*/
+//:://////////////////////////////////////////////
+//:: 2008.08.02 tsunami282 - created.
+
+#include "dmfi_init_inc"
+
+////////////////////////////////////////////////////////////////////////
+void main()
+{
+    object oUser = GetEnteringObject();
+
+    // do any other module OnClientEnter work here
+    ExecuteScript("x3_mod_def_enter", OBJECT_SELF);
+
+    // initialize DMFI
+    dmfiInitialize(oUser);
+}